HVAC Services

Desert Diamond is Phoenix’s premier HVAC company. We offer a range of heating, cooling, and Indoor Air Quality (IAQ) solutions for home and business owners in Phoenix, Peoria, Glendale, Sun City, & Surprise, AZ. Our certified HVAC technicians receive continuous training so we can provide you with up-to-date information, along with the latest technology. Our team has extensive knowledge and expertise to install, replace, and repair a variety of heating and air conditioning systems, regardless if the unit is powered by electric, gas, or geothermal energy. Contact us today for expert HVAC service in Phoenix, Peoria, Glendale, Sun City, & Surprise, AZ.

Indoor Air Quality, Ductwork & Ventilation Service

Whether you need ventilation cleaned or an entire air purification system replaced, contact the experts at Desert Diamond for indoor air quality service and solutions.

Air Purification System Repair

Air Purification System Maintenance and Tune-Ups

New Air Purification System Installation

Humidifier System Repair

Humidifier System Maintenance and Tune-Ups

New Humidifier System Installation

Duct Cleaning & Sealing

Ventilation

Our HVAC company is a Trane Comfort Specialist. We also repair, maintain, and install Rheem and Ameristar air conditioners and furnaces. Contact us for 24-hour HVAC repair or for a free installation estimate. We’re here to help!

HVAC Service ∴ HVAC Repair ∴ Heating & Cooling

"Bought a new high end Trane unit, it was thoroughly explained by Steve and he came out several times to make sure the air flow was adjusted just "right" for our two story house. We are very satisfied with the product itself and especially the friendliness and honesty of both Steve and Cody. Thank you!"

- Gary Sheriff

"ABSOLUTELY 5 stars! Very helpful, great customer service and exceeded all of my expectations all while dealing with my AWFUL home warranty company. HIGHLY recommend this company! I am so grateful to them helping my family in July in ARIZONA when our AC went out."

- Kristi Mathews

"The office staff is always so polite. If you want a company who is willing to work hard, look decent, and go the extra mile to get the job done choose Desert Diamond Mechanical. You wont be disappointed! Thanks Desert Diamond!"